RokDoc GeoPressure

RokDoc GeoPressure is the complete package for 1D to 3D pressure analysis and prediction. Reservoir engineers, geologists and interpreters are able to integrate and analyse pressure, wireline and lithological data for offset wells and to gain greater insight in undrilled prospect areas.

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Industry Challenges

Non-productive time costs the industry $10+billion/yr.

  • Rapid changes in pore pressure and fracture gradients can lead to unplanned additional casing strings and/or sidetracks
  • A reactive approach to drilling exploration wells leading to risks not being fully quantified

Environmental and financial fall-out from spills

  • Limited, world-wide industry standards of practices for effective communication of risk
  • Lack of communication and awareness of risks associated with drilling wells

Reduction in staff and loss of knowledge base

  • Less expertise, support of key personnel
  • Limited training of key decision makers
  • Data stored locally resulting in the loss of data and knowledge transfer

Pressure Prediction Module

Efficient:

Reduce cost of complex wells

  • An integrated cross-discipline platform for mitigating appropriate risks
  • Consistency in database and approach across multiple assets
  • Seamless interaction between pre-drill to real-time monitoring

Safer:

A more systematic approach to de-risking

  • Capture and interrogate all available legacy and modern datasets
  • Build robust, geologically sensible pore pressure models
  • Quantify uncertainty effectively

Easier:

Logical workflows with intuitive GUIs

  • Best practice pressure analysis captured in workflows
  • Less time consuming to deliver value to assets
  • Impactful communication of risk

Pressure Prediction Module Add-ons

Geomechanics and Image Logs
Interpretation of image logs for borehole breakouts, sedimentology and fractures. Interactive geomechanical model building, analysis and scenario modelling. Key features include; surface picking and image log conditioning, static-dynamic property calibration, wellbore stability, stereonets and more.
Seismic Pressure Calculator
Develop 3D models for prediction of subsurface pore pressures away from well control. Key features include; 3D model building, zone based overburden and normal compaction trends, seismic velocity calibration, stochastic pore pressure prediction, multi-realisation analysis and well planning.
PPC
Perform stochastic analysis of pore pressure models to assess prediction uncertainty and optimise model parameters. Rank models in terms of uncertainty before applying to new well locations or 3D seismic. Key features include; 15 pressure models including Eaton, Bowers, Dutta, Tau etc.
Surface rose diagram, tadpole plot and interpreted image log
Surface rose diagram, tadpole plot and interpreted image log
Pore pressure predictions and uncertainty for well planning
Pore pressure predictions and uncertainty for well planning
Geological interpretation of drilling events, mudweights and pore pressures
Geological interpretation of drilling events, mudweights and pore pressures